Home / 1,010,454-1,394,426.64-557,745.12

Finding the Fourth Proportional to 1,010,454, 1,394,426.64 and 557,745.12

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Solution

The fourth proportional to 1,010,454, 1,394,426.64 and 557,745.12 is: 769,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,454 : 1,394,426.64 = 557,745.12 : x
  2. Step 2: Convert to fraction form
    1,010,454/1,394,426.64 = 557,745.12/x
  3. Step 3: Cross multiply
    1,010,454x = 1,394,426.64 × 557,745.12
  4. Step 4: Simplify right side
    1,010,454x = 777,734,653,658.00
  5. Step 5: Solve for x
    x = 777,734,653,658.00/1,010,454
  6. Step 6: Final answer
    x = 769,688.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.